Quick answers
- Which hospitals does Richard Louissaint work at?
- Medicare's official clinician data lists Richard Louissaint at 2 hospitals: Cambridge Health Alliance and Merrimack Health Lawrence Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Richard Louissaint see patients?
- Medicare's clinician data lists 3 practice locations, including Lawrence, MA, Everett, MA and Cambridge, MA. Call before your visit to confirm the address.
- What is Richard Louissaint's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Richard Louissaint accept Medicare assignment?
- Yes. Medicare's clinician data says Richard Louissaint accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Richard Louissaint?
- (617) 389-6270, as listed in official Medicare / NPI Registry data.
- What is Richard Louissaint's NPI number?
- 1629331087. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Richard Louissaint works
Medicare's Facility Affiliation Data lists Richard Louissaint at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cambridge Health AllianceCambridge, MA · Acute Care Hospital · CCN 220011
- Merrimack Health Lawrence HospitalLawrence, MA · Acute Care Hospital · CCN 220010
Practice locations
Addresses where Richard Louissaint is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 General StLawrence, MA 01841
- 103 Garland StEverett, MA 02149 (617) 389‑6270
- 1493 Cambridge StCambridge, MA 02139 (617) 665‑1000
Group practices
Medicare enrollment lists Richard Louissaint as a member of these groups (CMS data updated 2026-10-02).
- Cambridge Public Health Commission656 clinicians in the group
- Lawrence General Hospital123 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Lawrence
Clinicians with the same Medicare primary specialty in Lawrence, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Howard University College Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629331087 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians